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Driver: Check version.

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This commit is contained in:
Nodir Temirkhodjaev 2017-09-10 06:21:28 +05:00
parent f94c098ae1
commit 36287a9f15
3 changed files with 9 additions and 4 deletions
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3
src/common/fortconf.h
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@ -8,13 +8,14 @@ typedef struct fort_conf_flags {
UINT32 app_log_blocked : 1;
UINT32 app_block_all : 1;
UINT32 app_allow_all : 1;
UINT32 _reserved_ : 4;
UINT32 conf_version : 6;
UINT32 group_bits : 16;
} FORT_CONF_FLAGS, *PFORT_CONF_FLAGS;
typedef struct fort_conf {
FORT_CONF_FLAGS flags;
UINT16 conf_version;
UINT16 data_off;
UINT16 ip_include_n;

6
src/driver/fortdrv.c
View File

@ -388,7 +388,8 @@ fort_device_control (PDEVICE_OBJECT device, PIRP irp)
const PFORT_CONF conf = irp->AssociatedIrp.SystemBuffer;
const ULONG len = irp_stack->Parameters.DeviceIoControl.InputBufferLength;
if (len > FORT_CONF_DATA_OFF) {
if (conf->flags.conf_version == FORT_CONF_VERSION
&& len > FORT_CONF_DATA_OFF) {
PFORT_CONF_REF conf_ref = fort_conf_ref_new(conf, len);
if (conf_ref == NULL) {
@ -404,7 +405,8 @@ fort_device_control (PDEVICE_OBJECT device, PIRP irp)
const PFORT_CONF_FLAGS conf_flags = irp->AssociatedIrp.SystemBuffer;
const ULONG len = irp_stack->Parameters.DeviceIoControl.InputBufferLength;
if (len == sizeof(FORT_CONF_FLAGS)) {
if (conf_flags->conf_version == FORT_CONF_VERSION
&& len == sizeof(FORT_CONF_FLAGS)) {
fort_conf_ref_flags_set(conf_flags);
status = fort_callout_force_reauth(device);
}

4
src/ui/util/confutil.cpp
View File

@ -94,6 +94,7 @@ int ConfUtil::writeFlags(const FirewallConf &conf, QByteArray &buf)
confFlags->app_log_blocked = conf.appLogBlocked();
confFlags->app_block_all = conf.appBlockAll();
confFlags->app_allow_all = conf.appAllowAll();
confFlags->conf_version = FORT_CONF_VERSION;
confFlags->group_bits = conf.appGroupBits();
return flagsSize;
@ -236,11 +237,12 @@ void ConfUtil::writeData(char *output, const FirewallConf &conf,
drvConf->flags.app_block_all = conf.appBlockAll();
drvConf->flags.app_allow_all = conf.appAllowAll();
drvConf->flags.conf_version = FORT_CONF_VERSION;
drvConf->flags.group_bits = conf.appGroupBits();
FortCommon::confAppPermsMaskInit(drvConf);
drvConf->conf_version = FORT_CONF_VERSION;
drvConf->data_off = FORT_CONF_DATA_OFF;
drvConf->ip_include_n = incRangeSize;